Home / 5,374,490.80-8,061,736.20-1,780,812.40

Finding the Fourth Proportional to 5,374,490.80, 8,061,736.20 and 1,780,812.40

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Solution

The fourth proportional to 5,374,490.80, 8,061,736.20 and 1,780,812.40 is: 2,671,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374,490.80 : 8,061,736.20 = 1,780,812.40 : x
  2. Step 2: Convert to fraction form
    5,374,490.80/8,061,736.20 = 1,780,812.40/x
  3. Step 3: Cross multiply
    5,374,490.80x = 8,061,736.20 × 1,780,812.40
  4. Step 4: Simplify right side
    5,374,490.80x = 14,356,439,790,488.88
  5. Step 5: Solve for x
    x = 14,356,439,790,488.88/5,374,490.80
  6. Step 6: Final answer
    x = 2,671,218.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.